Home / 38,167.40-57,263.10-18,446.60

Finding the Fourth Proportional to 38,167.40, 57,263.10 and 18,446.60

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Solution

The fourth proportional to 38,167.40, 57,263.10 and 18,446.60 is: 27,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.40 : 57,263.10 = 18,446.60 : x
  2. Step 2: Convert to fraction form
    38,167.40/57,263.10 = 18,446.60/x
  3. Step 3: Cross multiply
    38,167.40x = 57,263.10 × 18,446.60
  4. Step 4: Simplify right side
    38,167.40x = 1,056,309,500.46
  5. Step 5: Solve for x
    x = 1,056,309,500.46/38,167.40
  6. Step 6: Final answer
    x = 27,675.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.